gcc/config/arm/arm-protos.h

   1 /* Prototypes for exported functions defined in arm.c and pe.c
   2    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   3    2009 Free Software Foundation, Inc.
   4    Contributed by Richard Earnshaw (rearnsha@arm.com)
   5    Minor hacks by Nick Clifton (nickc@cygnus.com)
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3, or (at your option)
  12    any later version.
  13
  14    GCC is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING3.  If not see
  21    <http://www.gnu.org/licenses/>.  */
  22
  23 #ifndef GCC_ARM_PROTOS_H
  24 #define GCC_ARM_PROTOS_H
  25
  26 extern void arm_override_options (void);
  27 extern void arm_optimization_options (int, int);
  28 extern int use_return_insn (int, rtx);
  29 extern enum reg_class arm_regno_class (int);
  30 extern void arm_load_pic_register (unsigned long);
  31 extern int arm_volatile_func (void);
  32 extern const char *arm_output_epilogue (rtx);
  33 extern void arm_expand_prologue (void);
  34 extern const char *arm_strip_name_encoding (const char *);
  35 extern void arm_asm_output_labelref (FILE *, const char *);
  36 extern void thumb2_asm_output_opcode (FILE *);
  37 extern unsigned long arm_current_func_type (void);
  38 extern HOST_WIDE_INT arm_compute_initial_elimination_offset (unsigned int,
  39                                                              unsigned int);
  40 extern HOST_WIDE_INT thumb_compute_initial_elimination_offset (unsigned int,
  41                                                                unsigned int);
  42 extern unsigned int arm_dbx_register_number (unsigned int);
  43 extern void arm_output_fn_unwind (FILE *, bool);
  44
  45
  46 #ifdef RTX_CODE
  47 extern bool arm_vector_mode_supported_p (enum machine_mode);
  48 extern int arm_hard_regno_mode_ok (unsigned int, enum machine_mode);
  49 extern int const_ok_for_arm (HOST_WIDE_INT);
  50 extern int arm_split_constant (RTX_CODE, enum machine_mode, rtx,
  51                                HOST_WIDE_INT, rtx, rtx, int);
  52 extern RTX_CODE arm_canonicalize_comparison (RTX_CODE, enum machine_mode,
  53                                              rtx *);
  54 extern int legitimate_pic_operand_p (rtx);
  55 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
  56 extern rtx legitimize_tls_address (rtx, rtx);
  57 extern int arm_legitimate_address_p  (enum machine_mode, rtx, RTX_CODE, int);
  58 extern int thumb1_legitimate_address_p (enum machine_mode, rtx, int);
  59 extern int thumb2_legitimate_address_p  (enum machine_mode, rtx, int);
  60 extern int thumb_legitimate_offset_p (enum machine_mode, HOST_WIDE_INT);
  61 extern rtx arm_legitimize_address (rtx, rtx, enum machine_mode);
  62 extern rtx thumb_legitimize_address (rtx, rtx, enum machine_mode);
  63 extern rtx thumb_legitimize_reload_address (rtx *, enum machine_mode, int, int,
  64                                             int);
  65 extern int arm_const_double_rtx (rtx);
  66 extern int neg_const_double_rtx_ok_for_fpa (rtx);
  67 extern int vfp3_const_double_rtx (rtx);
  68 extern int neon_immediate_valid_for_move (rtx, enum machine_mode, rtx *, int *);
  69 extern int neon_immediate_valid_for_logic (rtx, enum machine_mode, int, rtx *,
  70                                            int *);
  71 extern char *neon_output_logic_immediate (const char *, rtx *,
  72                                           enum machine_mode, int, int);
  73 extern void neon_pairwise_reduce (rtx, rtx, enum machine_mode,
  74                                   rtx (*) (rtx, rtx, rtx));
  75 extern void neon_expand_vector_init (rtx, rtx);
  76 extern void neon_lane_bounds (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
  77 extern void neon_const_bounds (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
  78 extern HOST_WIDE_INT neon_element_bits (enum machine_mode);
  79 extern void neon_reinterpret (rtx, rtx);
  80 extern void neon_emit_pair_result_insn (enum machine_mode,
  81                                         rtx (*) (rtx, rtx, rtx, rtx),
  82                                         rtx, rtx, rtx);
  83 extern void neon_disambiguate_copy (rtx *, rtx *, rtx *, unsigned int);
  84 extern enum reg_class coproc_secondary_reload_class (enum machine_mode, rtx,
  85                                                      bool);
  86 extern bool arm_tls_referenced_p (rtx);
  87 extern bool arm_cannot_force_const_mem (rtx);
  88
  89 extern int cirrus_memory_offset (rtx);
  90 extern int arm_coproc_mem_operand (rtx, bool);
  91 extern int neon_vector_mem_operand (rtx, bool);
  92 extern int neon_struct_mem_operand (rtx);
  93 extern int arm_no_early_store_addr_dep (rtx, rtx);
  94 extern int arm_no_early_alu_shift_dep (rtx, rtx);
  95 extern int arm_no_early_alu_shift_value_dep (rtx, rtx);
  96 extern int arm_no_early_mul_dep (rtx, rtx);
  97 extern int arm_mac_accumulator_is_mul_result (rtx, rtx);
  98
  99 extern int tls_mentioned_p (rtx);
 100 extern int symbol_mentioned_p (rtx);
 101 extern int label_mentioned_p (rtx);
 102 extern RTX_CODE minmax_code (rtx);
 103 extern int adjacent_mem_locations (rtx, rtx);
 104 extern int load_multiple_sequence (rtx *, int, int *, int *, HOST_WIDE_INT *);
 105 extern const char *emit_ldm_seq (rtx *, int);
 106 extern int store_multiple_sequence (rtx *, int, int *, int *, HOST_WIDE_INT *);
 107 extern const char * emit_stm_seq (rtx *, int);
 108 extern rtx arm_gen_load_multiple (int, int, rtx, int, int,
 109                                   rtx, HOST_WIDE_INT *);
 110 extern rtx arm_gen_store_multiple (int, int, rtx, int, int,
 111                                    rtx, HOST_WIDE_INT *);
 112 extern int arm_gen_movmemqi (rtx *);
 113 extern enum machine_mode arm_select_cc_mode (RTX_CODE, rtx, rtx);
 114 extern enum machine_mode arm_select_dominance_cc_mode (rtx, rtx,
 115                                                        HOST_WIDE_INT);
 116 extern rtx arm_gen_compare_reg (RTX_CODE, rtx, rtx);
 117 extern rtx arm_gen_return_addr_mask (void);
 118 extern void arm_reload_in_hi (rtx *);
 119 extern void arm_reload_out_hi (rtx *);
 120 extern int arm_const_double_inline_cost (rtx);
 121 extern bool arm_const_double_by_parts (rtx);
 122 extern const char *fp_immediate_constant (rtx);
 123 extern void arm_emit_call_insn (rtx, rtx);
 124 extern const char *output_call (rtx *);
 125 extern const char *output_call_mem (rtx *);
 126 void arm_emit_movpair (rtx, rtx);
 127 extern const char *output_mov_long_double_fpa_from_arm (rtx *);
 128 extern const char *output_mov_long_double_arm_from_fpa (rtx *);
 129 extern const char *output_mov_long_double_arm_from_arm (rtx *);
 130 extern const char *output_mov_double_fpa_from_arm (rtx *);
 131 extern const char *output_mov_double_arm_from_fpa (rtx *);
 132 extern const char *output_move_double (rtx *);
 133 extern const char *output_move_quad (rtx *);
 134 extern const char *output_move_vfp (rtx *operands);
 135 extern const char *output_move_neon (rtx *operands);
 136 extern const char *output_add_immediate (rtx *);
 137 extern const char *arithmetic_instr (rtx, int);
 138 extern void output_ascii_pseudo_op (FILE *, const unsigned char *, int);
 139 extern const char *output_return_instruction (rtx, int, int);
 140 extern void arm_poke_function_name (FILE *, const char *);
 141 extern void arm_print_operand (FILE *, rtx, int);
 142 extern void arm_print_operand_address (FILE *, rtx);
 143 extern void arm_final_prescan_insn (rtx);
 144 extern int arm_debugger_arg_offset (int, rtx);
 145 extern bool arm_is_long_call_p (tree);
 146 extern int    arm_emit_vector_const (FILE *, rtx);
 147 extern const char * arm_output_load_gr (rtx *);
 148 extern const char *vfp_output_fstmd (rtx *);
 149 extern void arm_set_return_address (rtx, rtx);
 150 extern int arm_eliminable_register (rtx);
 151 extern const char *arm_output_shift(rtx *, int);
 152
 153 extern bool arm_output_addr_const_extra (FILE *, rtx);
 154
 155 #if defined TREE_CODE
 156 extern rtx arm_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
 157 extern void arm_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
 158 extern bool arm_pad_arg_upward (enum machine_mode, const_tree);
 159 extern bool arm_pad_reg_upward (enum machine_mode, tree, int);
 160 extern bool arm_needs_doubleword_align (enum machine_mode, tree);
 161 extern rtx arm_function_value(const_tree, const_tree);
 162 #endif
 163 extern int arm_apply_result_size (void);
 164
 165 #endif /* RTX_CODE */
 166
 167 extern int arm_float_words_big_endian (void);
 168
 169 /* Thumb functions.  */
 170 extern void arm_init_expanders (void);
 171 extern const char *thumb_unexpanded_epilogue (void);
 172 extern void thumb1_expand_prologue (void);
 173 extern void thumb1_expand_epilogue (void);
 174 #ifdef TREE_CODE
 175 extern int is_called_in_ARM_mode (tree);
 176 #endif
 177 extern int thumb_shiftable_const (unsigned HOST_WIDE_INT);
 178 #ifdef RTX_CODE
 179 extern void thumb1_final_prescan_insn (rtx);
 180 extern void thumb2_final_prescan_insn (rtx);
 181 extern const char *thumb_load_double_from_address (rtx *);
 182 extern const char *thumb_output_move_mem_multiple (int, rtx *);
 183 extern const char *thumb_call_via_reg (rtx);
 184 extern void thumb_expand_movmemqi (rtx *);
 185 extern rtx arm_return_addr (int, rtx);
 186 extern void thumb_reload_out_hi (rtx *);
 187 extern void thumb_reload_in_hi (rtx *);
 188 extern void thumb_set_return_address (rtx, rtx);
 189 extern const char *thumb2_output_casesi(rtx *);
 190 #endif
 191
 192 /* Defined in pe.c.  */
 193 extern int arm_dllexport_name_p (const char *);
 194 extern int arm_dllimport_name_p (const char *);
 195
 196 #ifdef TREE_CODE
 197 extern void arm_pe_unique_section (tree, int);
 198 extern void arm_pe_encode_section_info (tree, rtx, int);
 199 extern int arm_dllexport_p (tree);
 200 extern int arm_dllimport_p (tree);
 201 extern void arm_mark_dllexport (tree);
 202 extern void arm_mark_dllimport (tree);
 203 #endif
 204
 205 extern void arm_pr_long_calls (struct cpp_reader *);
 206 extern void arm_pr_no_long_calls (struct cpp_reader *);
 207 extern void arm_pr_long_calls_off (struct cpp_reader *);
 208
 209 extern void arm_lang_object_attributes_init(void);
 210
 211 extern const char *arm_mangle_type (const_tree);
 212
 213 extern void arm_order_regs_for_local_alloc (void);
 214
 215 #endif /* ! GCC_ARM_PROTOS_H */